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Which of the following two ions are closer to one another in size ?A. `Li^(+)` and `Na^(+)`B. `Be^(2+)` and `Mg^(2+)`C. `Be^(2+)` and `Li^(+)`D. `Li^(+)` and `Mg^(2+)` |
Answer» Correct Answer - D Because of diagonal relationship `,Li^(+)=76`pm and `Mg^(2+)=72` pm. |
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